70.82% is the change from 449 to 767
Calculation steps:
[( 767 - 449 ) ÷ 449] x 100 = 70.82%
Formula
Percentage change = [(767 - 449) / 449] x 100
Subtract the new number by the original number
767 - 449 = 318
318 ÷ 449 = 0.7082405345211581
0.7082405345211581 x 100 = 70.82%